MP6532GF

Overview

The MP6532GF is a three-phase brushless DC motor pre-driver from Monolithic Power Systems. It operates within a 5V to 60V input voltage range and drives three half-bridges using up to six N-channel power MOSFETs. The device integrates a regulated charge pump for gate drive supply and employs a trickle current charging circuit to maintain high-side gate voltage at 100% duty cycle. Key electrical parameters include an output current of 800 mA, a quiescent supply current of 950 uA, and a maximum power dissipation of 2.9 W. It functions across a temperature range of -40°C to +125°C and utilizes a QFN-28 or TSSOP-28 package.

Feature Summary

• Integrates a trickle current charging circuit to sustain bootstrap gate drive voltage during 100% duty cycle operation
• Supports direct Hall sensor inputs for integrated 120-degree commutation logic
• Features programmable external overcurrent protection and adjustable dead-time control to prevent shoot-through
• Includes low-power sleep mode designed for battery-powered applications

Applications

• Three-phase brushless DC motor control systems
• Industrial motion control applications
• Automotive electric fan drivers
• Home appliance motor drives

Procurement Notes

Verify the specific suffix (P or Z) when ordering, as it determines the tape and reel packaging quantity. Confirm that the selected package type matches the PCB footprint requirements. Ensure the design accommodates the thermal pad connection for heat dissipation. Check the latest datasheet for any updates on recommended operating conditions and pin configurations before finalizing the bill of materials.

Selection Notes

Select this component for applications requiring wide input voltage compatibility up to 60V. It is suitable for designs needing integrated Hall sensor interface capabilities rather than SPI or analog inputs. Consider the thermal performance in the chosen package when estimating power dissipation. Verify that the external MOSFET selection aligns with the device's current handling and voltage rating specifications.

Part Context

The MP6532 belongs to the MPS MP653x family of BLDC pre-drivers. It complements other variants like the MP6530 and MP6531 by offering specific control interfaces tailored for Hall-sensor-based commutation. This series targets cost-sensitive and space-constrained motor drive solutions requiring robust protection features.

Replacement Considerations

MP6530GR-Z

FAQ

How does the MP6532 handle high-side gate driving at 100% duty cycle?

It uses an internal trickle current charging circuit to maintain sufficient bootstrap capacitor voltage, ensuring continuous high-side MOSFET conduction.

What type of commutation signals does the MP6532 accept?

The device accepts three Hall sensor inputs for integrated 120-degree commutation, along with PWM, DIR, and nBRAKE control signals.